Finding the Fourth Proportional to 9,462.30, 13,059.50 and 5,485.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,462.30 : 13,059.50 = 5,485.71 : x
2. Step 2: Convert to fraction form
   9,462.30/13,059.50 = 5,485.71/x
3. Step 3: Cross multiply
   9,462.30x = 13,059.50 × 5,485.71
4. Step 4: Simplify right side
   9,462.30x = 71,640,602.32
5. Step 5: Solve for x
   x = 71,640,602.32/9,462.30
6. Step 6: Final answer
   x = 7,571.16